27
SECTION 2,
continued
7.
Press:
READ
Record the cell’s position
in the cell compartment
and the displayed
reading.
8.
Remove the cell,
rotate it slightly and
reinsert into the cell
compartment. Close the
cover, then press
READ
again. Record the cell’s
position and the
displayed reading.
9.
Repeat
step 8
until
the value displayed for
the second cell is within
0.01 NTU (or 1%) of the
value obtained for the
first cell. Place an
orientation mark on the
second cell's marking
band so it is consistently
inserted in this position.
Note:
Due to variability
in glass, it may not be
possible to match all cells.
10.
Repeat
step 6
through
step 9
if
matching other
sample cells.
READ
